Add qemu 2.4.0

[kvmfornfv.git] / qemu / roms / u-boot / common / stdio.c

diff --git a/qemu/roms/u-boot/common/stdio.c b/qemu/roms/u-boot/common/stdio.c
new file mode 100644 (file)
index 0000000..844f98c
--- /dev/null
+++ b/qemu/roms/u-boot/common/stdio.c
@@ -0,0 +1,233 @@
+/*
+ * Copyright (C) 2009 Sergey Kubushyn <ksi@koi8.net>
+ *
+ * Changes for multibus/multiadapter I2C support.
+ *
+ * (C) Copyright 2000
+ * Paolo Scaffardi, AIRVENT SAM s.p.a - RIMINI(ITALY), arsenio@tin.it
+ *
+ * SPDX-License-Identifier:    GPL-2.0+
+ */
+
+#include <config.h>
+#include <common.h>
+#include <stdarg.h>
+#include <malloc.h>
+#include <stdio_dev.h>
+#include <serial.h>
+#ifdef CONFIG_LOGBUFFER
+#include <logbuff.h>
+#endif
+
+#if defined(CONFIG_HARD_I2C) || defined(CONFIG_SYS_I2C)
+#include <i2c.h>
+#endif
+
+DECLARE_GLOBAL_DATA_PTR;
+
+static struct stdio_dev devs;
+struct stdio_dev *stdio_devices[] = { NULL, NULL, NULL };
+char *stdio_names[MAX_FILES] = { "stdin", "stdout", "stderr" };
+
+#if defined(CONFIG_SPLASH_SCREEN) && !defined(CONFIG_SYS_DEVICE_NULLDEV)
+#define        CONFIG_SYS_DEVICE_NULLDEV       1
+#endif
+
+
+#ifdef CONFIG_SYS_DEVICE_NULLDEV
+void nulldev_putc(const char c)
+{
+       /* nulldev is empty! */
+}
+
+void nulldev_puts(const char *s)
+{
+       /* nulldev is empty! */
+}
+
+int nulldev_input(void)
+{
+       /* nulldev is empty! */
+       return 0;
+}
+#endif
+
+/**************************************************************************
+ * SYSTEM DRIVERS
+ **************************************************************************
+ */
+
+static void drv_system_init (void)
+{
+       struct stdio_dev dev;
+
+       memset (&dev, 0, sizeof (dev));
+
+       strcpy (dev.name, "serial");
+       dev.flags = DEV_FLAGS_OUTPUT | DEV_FLAGS_INPUT | DEV_FLAGS_SYSTEM;
+       dev.putc = serial_putc;
+       dev.puts = serial_puts;
+       dev.getc = serial_getc;
+       dev.tstc = serial_tstc;
+       stdio_register (&dev);
+
+#ifdef CONFIG_SYS_DEVICE_NULLDEV
+       memset (&dev, 0, sizeof (dev));
+
+       strcpy (dev.name, "nulldev");
+       dev.flags = DEV_FLAGS_OUTPUT | DEV_FLAGS_INPUT | DEV_FLAGS_SYSTEM;
+       dev.putc = nulldev_putc;
+       dev.puts = nulldev_puts;
+       dev.getc = nulldev_input;
+       dev.tstc = nulldev_input;
+
+       stdio_register (&dev);
+#endif
+}
+
+/**************************************************************************
+ * DEVICES
+ **************************************************************************
+ */
+struct list_head* stdio_get_list(void)
+{
+       return &(devs.list);
+}
+
+struct stdio_dev* stdio_get_by_name(const char *name)
+{
+       struct list_head *pos;
+       struct stdio_dev *dev;
+
+       if(!name)
+               return NULL;
+
+       list_for_each(pos, &(devs.list)) {
+               dev = list_entry(pos, struct stdio_dev, list);
+               if(strcmp(dev->name, name) == 0)
+                       return dev;
+       }
+
+       return NULL;
+}
+
+struct stdio_dev* stdio_clone(struct stdio_dev *dev)
+{
+       struct stdio_dev *_dev;
+
+       if(!dev)
+               return NULL;
+
+       _dev = calloc(1, sizeof(struct stdio_dev));
+
+       if(!_dev)
+               return NULL;
+
+       memcpy(_dev, dev, sizeof(struct stdio_dev));
+
+       return _dev;
+}
+
+int stdio_register (struct stdio_dev * dev)
+{
+       struct stdio_dev *_dev;
+
+       _dev = stdio_clone(dev);
+       if(!_dev)
+               return -1;
+       list_add_tail(&(_dev->list), &(devs.list));
+       return 0;
+}
+
+/* deregister the device "devname".
+ * returns 0 if success, -1 if device is assigned and 1 if devname not found
+ */
+#ifdef CONFIG_SYS_STDIO_DEREGISTER
+int stdio_deregister(const char *devname)
+{
+       int l;
+       struct list_head *pos;
+       struct stdio_dev *dev;
+       char temp_names[3][16];
+
+       dev = stdio_get_by_name(devname);
+
+       if(!dev) /* device not found */
+               return -1;
+       /* get stdio devices (ListRemoveItem changes the dev list) */
+       for (l=0 ; l< MAX_FILES; l++) {
+               if (stdio_devices[l] == dev) {
+                       /* Device is assigned -> report error */
+                       return -1;
+               }
+               memcpy (&temp_names[l][0],
+                       stdio_devices[l]->name,
+                       sizeof(temp_names[l]));
+       }
+
+       list_del(&(dev->list));
+
+       /* reassign Device list */
+       list_for_each(pos, &(devs.list)) {
+               dev = list_entry(pos, struct stdio_dev, list);
+               for (l=0 ; l< MAX_FILES; l++) {
+                       if(strcmp(dev->name, temp_names[l]) == 0)
+                               stdio_devices[l] = dev;
+               }
+       }
+       return 0;
+}
+#endif /* CONFIG_SYS_STDIO_DEREGISTER */
+
+int stdio_init (void)
+{
+#if defined(CONFIG_NEEDS_MANUAL_RELOC)
+       /* already relocated for current ARM implementation */
+       ulong relocation_offset = gd->reloc_off;
+       int i;
+
+       /* relocate device name pointers */
+       for (i = 0; i < (sizeof (stdio_names) / sizeof (char *)); ++i) {
+               stdio_names[i] = (char *) (((ulong) stdio_names[i]) +
+                                               relocation_offset);
+       }
+#endif /* CONFIG_NEEDS_MANUAL_RELOC */
+
+       /* Initialize the list */
+       INIT_LIST_HEAD(&(devs.list));
+
+#ifdef CONFIG_SYS_I2C
+       i2c_init_all();
+#else
+#if defined(CONFIG_HARD_I2C)
+       i2c_init (CONFIG_SYS_I2C_SPEED, CONFIG_SYS_I2C_SLAVE);
+#endif
+#endif
+#ifdef CONFIG_LCD
+       drv_lcd_init ();
+#endif
+#if defined(CONFIG_VIDEO) || defined(CONFIG_CFB_CONSOLE)
+       drv_video_init ();
+#endif
+#ifdef CONFIG_KEYBOARD
+       drv_keyboard_init ();
+#endif
+#ifdef CONFIG_LOGBUFFER
+       drv_logbuff_init ();
+#endif
+       drv_system_init ();
+       serial_stdio_init ();
+#ifdef CONFIG_USB_TTY
+       drv_usbtty_init ();
+#endif
+#ifdef CONFIG_NETCONSOLE
+       drv_nc_init ();
+#endif
+#ifdef CONFIG_JTAG_CONSOLE
+       drv_jtag_console_init ();
+#endif
+#ifdef CONFIG_CBMEM_CONSOLE
+       cbmemc_init();
+#endif
+       return (0);
+}